US Bridges

TR 303 over East Fork Silver CR

Good

Madison County, Illinois · On Hickory Flat RD · Structure no. 060330900000000

Built
1993
32 years old
Condition
Good
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
182 ft
3 main spans
Daily traffic
175
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 303 over East Fork Silver CR is a prestressed concrete box beam or girders - multiple carrying TR 303 over East Fork Silver CR in Madison County, Illinois. It was built in 1993, so it is 32 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 175 vehicles a day, roughly 13% of them trucks, projected to reach 187 by 2046. The structure is 182 ft (55.4 m) long and 29 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesTR 303
CrossesEast Fork Silver CR
LocationOn Hickory Flat RD
RouteCounty Highway 0
Coordinates38.74172, -89.7433
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating66.5 US tons
Inventory rating39.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length182 ft (55.4 m)
Longest span60 ft (18.3 m)
Deck width29 ft (8.7 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic175 (2021)
Projected traffic187 by 2046
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was TR 303 over East Fork Silver CR built?

It was built in 1993, making it 32 years old in 2025.

What condition is TR 303 over East Fork Silver CR in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2024.

How much traffic does TR 303 over East Fork Silver CR carry?

About 175 vehicles per day (2021 count), of which roughly 13% are trucks.

How long is TR 303 over East Fork Silver CR?

The structure is 182 ft (55.4 m) long with a longest span of 60 ft (18.3 m) and a deck 29 ft wide.

Who owns TR 303 over East Fork Silver CR?

It is owned by the Town or Township Highway Agency.